CVE-2026-44317

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's PCF POST /npcf-policyauthorization/v1/app-sessions handler panics on a single authenticated request whose ascReqData.suppFeat == "1" enabling traffic-routing feature negotiation and whose medComponents...

CVE-2026-44317 free5GC: PCF npcf-policyauthorization POST /app-sessions panics on suppFeat=1 with missing AfRoutReq via nil pointer dereference

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's PCF POST /npcf-policyauthorization/v1/app-sessions handler panics on a single authenticated request whose ascReqData.suppFeat == "1" enabling traffic-routing feature negotiation and whose medComponents...

GHSA-WWQH-7JM5-GJ7W free5GC's PCF npcf-policyauthorization POST /app-sessions panics on suppFeat=1 with missing AfRoutReq via nil pointer dereference

Summary free5GC's PCF POST /npcf-policyauthorization/v1/app-sessions handler panics on a single authenticated request whose ascReqData.suppFeat == "1" enabling traffic-routing feature negotiation and whose medComponents entries supply an afAppId but NO AfRoutReq. The create path then calls...

PT-2026-39247

Name of the Vulnerable Software and Affected Versions free5GC versions prior to 4.2.2 Description The PCF handler for the endpoint "/npcf-policyauthorization/v1/app-sessions" contains a flaw that causes a runtime panic when processing a specific authenticated request. This occurs when the...